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The patent EP3775125 was granted to Unilever on Sep 28, 2022. The application was filed on Apr 10, 2019 under application number EP19716174A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| BEIERSDORF | Jun 26, 2023 | BEIERSDORF | ADMISSIBLE |
| HENKEL | Jun 15, 2023 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US5767090 |
| INTERNATIONAL-SEARCH-REPORT | EP2786742 |
| INTERNATIONAL-SEARCH-REPORT | US2014349902 |
| INTERNATIONAL-SEARCH-REPORT | US2016045424 |
| INTERNATIONAL-SEARCH-REPORT | US2017335238 |
| INTERNATIONAL-SEARCH-REPORT | US2018016525 |
| INTERNATIONAL-SEARCH-REPORT | US2018044614 |
| INTERNATIONAL-SEARCH-REPORT | WO2018065314 |
| OPPOSITION | EP3023431 |
| OPPOSITION | US2018044614 |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
Date
Description
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Dec 17, 2025
Dec 17, 2025
Dec 17, 2025
Sep 26, 2025
Sep 26, 2025
Sep 23, 2025
(Electronic) Receipt
Appeal
Sep 23, 2025
Sep 23, 2025
Reply to appeal
Appeal
Aug 26, 2025
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(Electronic) Receipt
Appeal
May 19, 2025
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Mar 11, 2025
(Electronic) Receipt
Appeal
Mar 11, 2025
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Mar 5, 2025
(Electronic) Receipt
Appeal
Mar 5, 2025
Notice of appeal
Appeal
Jan 29, 2025
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Means of redress
OPPO
Jan 29, 2025
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Jan 9, 2023
Document concerning representation
Search/Exam
Jan 9, 2023
General authorisation
Search/Exam
Jan 9, 2023
Letter accompanying subsequently filed items
Search/Exam
Oct 11, 2022
Sep 1, 2022
Decision to grant a European patent
Search/Exam
Aug 11, 2022
(Electronic) Receipt
Search/Exam
Aug 11, 2022
French translation of claims
Search/Exam
Aug 11, 2022
German translation of the claims
Search/Exam
Aug 11, 2022
Letter accompanying subsequently filed items
Search/Exam
May 13, 2022
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Intention to grant (signatures)
Search/Exam
May 13, 2022
Text intended for grant (clean copy)
Search/Exam
May 13, 2022
Mar 10, 2022
Examination started
Search/Exam
Jan 24, 2022
Aug 30, 2021
Aug 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 5, 2021
Letter to the Legal Division
Search/Exam
Jun 29, 2021
Communication from the Legal Division
Search/Exam
Jun 1, 2021
Annex
Search/Exam
Jun 1, 2021
Annex
Search/Exam
Jun 1, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 1, 2021
Letter to the Legal Division
Search/Exam
May 31, 2021
Annex
Search/Exam
May 31, 2021
Cover sheet for fax transmission
Search/Exam
May 28, 2021
Annex
Search/Exam
May 28, 2021
Cover sheet for fax transmission
Search/Exam
May 28, 2021
Letter to the Legal Division
Search/Exam
May 20, 2021
(Electronic) Receipt
Search/Exam
May 20, 2021
May 20, 2021
Amendments received before examination
Search/Exam
May 20, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 31, 2021
Communication from the Legal Division
Search/Exam
Mar 24, 2021
Annexes in respect of a client data request
Search/Exam
Mar 24, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 24, 2021
Mar 23, 2021
Annexes in respect of a client data request
Search/Exam
Mar 23, 2021
Annexes in respect of a client data request
Search/Exam
Mar 23, 2021
Annexes in respect of a client data request
Search/Exam
Mar 23, 2021
Annexes in respect of a client data request
Search/Exam
Mar 23, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 23, 2021
Mar 16, 2021
Annexes in respect of a client data request
Search/Exam
Mar 16, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 16, 2021
Mar 12, 2021
Communication from the Legal Division
Search/Exam
Mar 10, 2021
Mar 10, 2021
Mar 5, 2021
Annexes in respect of a client data request
Search/Exam
Mar 5, 2021
Annexes in respect of a client data request
Search/Exam
Mar 5, 2021
Annexes in respect of a client data request
Search/Exam
Mar 5, 2021
Annexes in respect of a client data request
Search/Exam
Mar 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2021
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Feb 1, 2021
Annexes in respect of a client data request
Search/Exam
Feb 1, 2021
Annexes in respect of a client data request
Search/Exam
Feb 1, 2021
Annexes in respect of a client data request
Search/Exam
Feb 1, 2021
Annexes in respect of a client data request
Search/Exam
Feb 1, 2021
Annexes in respect of a client data request
Search/Exam
Feb 1, 2021
Annexes in respect of a client data request
Search/Exam
Feb 1, 2021
Annexes in respect of a client data request
Search/Exam
Feb 1, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 1, 2021
Jan 20, 2021
Nov 30, 2020
Nov 24, 2020
Nov 17, 2020
Nov 17, 2020
Priority search results copy provided by EPO
Search/Exam
Nov 16, 2020
Communication to designated inventor
Search/Exam
Nov 16, 2020
Communication to designated inventor
Search/Exam
Nov 3, 2020
(Electronic) Receipt
Search/Exam
Nov 3, 2020
Request for entry into the European phase
Search/Exam
Oct 15, 2020
Oct 15, 2020
Notification of the recording of a change
Search/Exam
Sep 25, 2020
Information on entry into European phase
Search/Exam
Dec 9, 2019
Nov 21, 2019
Nov 21, 2019
Copy of the international search report
Search/Exam
Nov 21, 2019
Published international application - A1
Search/Exam
Aug 27, 2019
Apr 23, 2019
Apr 10, 2019
(Electronic) Receipt
PCTRO
Apr 10, 2019
Abstract
PCTRO
Apr 10, 2019
Claims
PCTRO
Apr 10, 2019
Description
PCTRO
Apr 10, 2019
Apr 10, 2019
Apr 10, 2019
Apr 10, 2019